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Vikentia [17]
3 years ago
13

Find the measure of ∠C if ∠A = 5 2 x + 30 ∠B = 7 2 x + 40 ∠C = 9 2 x + 10 ∠D = 5 2 x + 20

Mathematics
1 answer:
cricket20 [7]3 years ago
8 0
What is the shape? I think you have to know that to find the answer.
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PLEASE HELPPPP(BRAINLIEST FOR RIGHT ANSWER)
Thepotemich [5.8K]

Answer:

The relation between polar and Cartesian coordinates are

r2=x2+y2

tan

θ

=

y

x

,

x

=

r

cos

θ

,

y

=

r

sin

θ

r

=

8

sin

θ

∴

r

⋅

r

=

r

⋅

8

sin

θ

or

r

2

=

8

r

sin

θ

∴

x

2

+

y

2

=

8

y

or

x

2

+

y

2

−

8

y

=

0

or

x

2

+

y

2

−

8

y

+

16

=

16

or

x

2

+

(

y

−

4

)

2

=

4

2

Rectangular form is

x2+(y-4)2=42

graph{x^2+(y-4)^2=16 [-20, 20, -10, 10

Step-by-step explanation:

i created it that way so yall will take a longer time to answer

8 0
3 years ago
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The depreciating value of a semi-truck can be modeled by y = Ao(0.83)x, where y is the remaining value of the semi, x is the tim
xenn [34]
The exponential graph is shown below.

The initial value when the time is zero is 70000. An initial value is normally shown as the point where the graph crosses the y-axis.

If the initial value was to be 50000, the curve would have crossed the y-axis at 50000

The correct answer is the first statement

6 0
3 years ago
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Classify each pair of angles listed below as adjacent or vertical.
Roman55 [17]

Given:

Intersecting lines DA and CE.

To find:

Each pair of adjacent angles and vertical angles.

Solution:

Adjacent angles are in the same straight line.

<u>Pair of adjacent angles:</u>

(1) ∠EBD and ∠DBC

(2) ∠DBC and ∠CBA

(3) ∠CBA and ∠ABE

(4) ∠ABE and ∠EBD

Vertical angles are opposite angles in the same vertex.

<u>Pair of vertical angles:</u>

(1) ∠EBD and ∠CBA

(2) ∠DBC and ∠EBA

5 0
3 years ago
A Boxerville Express commuter train leaves the station every 30 minutes. When Theo arrives at the station, a woman tells him she
Dmitrij [34]
Answer: D

The answe is just simply D because of the minutes when it adds up is almost the same as MPH
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3 years ago
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Z=-3x2+2ey-2y+3 cực trị tự do
topjm [15]

Answer:

z=( -2 , 5/3) can you speak English

5 0
2 years ago
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